mirror of
https://github.com/airwindows/airwindows.git
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224 lines
No EOL
8.3 KiB
C++
Executable file
224 lines
No EOL
8.3 KiB
C++
Executable file
/*
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* File: Ditherbox.h
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*
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* Version: 1.0
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*
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* Created: 1/1/09
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*
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* Copyright: Copyright © 2009 Airwindows, Airwindows uses the MIT license
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*
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* Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
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* consideration of your agreement to the following terms, and your use, installation, modification
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* or redistribution of this Apple software constitutes acceptance of these terms. If you do
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* not agree with these terms, please do not use, install, modify or redistribute this Apple
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* software.
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*
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* In consideration of your agreement to abide by the following terms, and subject to these terms,
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* Apple grants you a personal, non-exclusive license, under Apple's copyrights in this
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* original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the
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* Apple Software, with or without modifications, in source and/or binary forms; provided that if you
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* redistribute the Apple Software in its entirety and without modifications, you must retain this
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* notice and the following text and disclaimers in all such redistributions of the Apple Software.
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* Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to
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* endorse or promote products derived from the Apple Software without specific prior written
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* permission from Apple. Except as expressly stated in this notice, no other rights or
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* licenses, express or implied, are granted by Apple herein, including but not limited to any
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* patent rights that may be infringed by your derivative works or by other works in which the
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* Apple Software may be incorporated.
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*
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* The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR
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* IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE
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* OR IN COMBINATION WITH YOUR PRODUCTS.
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*
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* IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
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* REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER
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* UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN
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* IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "AUEffectBase.h"
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#include "DitherboxVersion.h"
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#if AU_DEBUG_DISPATCHER
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#include "AUDebugDispatcher.h"
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#endif
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#ifndef __Ditherbox_h__
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#define __Ditherbox_h__
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#pragma mark ____Ditherbox Parameters
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// parameters
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static CFStringRef kParameterOneName = CFSTR("Dither Type");
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static const int kTruncate = 1;
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static const int kFlat = 2;
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static const int kTPDF = 3;
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static const int kPaul = 4;
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static const int kDoublePaul = 5;
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static const int kTape = 6;
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static const int kQuadratic = 7;
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static const int kTenNines = 8;
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static const int kContingent = 9;
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static const int kNaturalize = 10;
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static const int kNJAD = 11;
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static const int kTruncateHR = 12;
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static const int kFlatHR = 13;
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static const int kTPDFHR = 14;
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static const int kPaulHR = 15;
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static const int kDoublePaulHR = 16;
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static const int kTapeHR = 17;
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static const int kQuadraticHR = 18;
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static const int kTenNinesHR = 19;
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static const int kContingentHR = 20;
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static const int kNaturalizeHR = 21;
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static const int kNJADHR = 22;
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static const int kSlewOnly = 23;
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static const int kSubsOnly = 24;
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static const int kSilhouette = 25;
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static const int kDefaultValue_ParamOne = 22;
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static CFStringRef kMenuItem_Truncate = CFSTR ("16 Bit Truncation");
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static CFStringRef kMenuItem_Flat = CFSTR ("16 bit Flat Dither");
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static CFStringRef kMenuItem_TPDF = CFSTR ("16 bit TPDF Dither");
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static CFStringRef kMenuItem_Paul = CFSTR ("16 bit Paul Dither");
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static CFStringRef kMenuItem_DoublePaul = CFSTR ("16 bit DoublePaul Dither");
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static CFStringRef kMenuItem_Tape = CFSTR ("16 bit Tape Dither");
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static CFStringRef kMenuItem_Quadratic = CFSTR ("16 bit High Gloss Dither");
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static CFStringRef kMenuItem_TenNines = CFSTR ("16 bit Vinyl Dither");
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static CFStringRef kMenuItem_Contingent = CFSTR ("16 bit Spatialize Dither");
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static CFStringRef kMenuItem_Naturalize = CFSTR ("16 bit Naturalize Dither");
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static CFStringRef kMenuItem_NJAD = CFSTR ("16 bit Not Just Another Dither");
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static CFStringRef kMenuItem_TruncateHR = CFSTR ("24 bit Truncation");
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static CFStringRef kMenuItem_FlatHR = CFSTR ("24 bit Flat Dither");
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static CFStringRef kMenuItem_TPDFHR = CFSTR ("24 bit TPDF Dither");
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static CFStringRef kMenuItem_PaulHR = CFSTR ("24 bit Paul Dither");
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static CFStringRef kMenuItem_DoublePaulHR = CFSTR ("24 bit DoublePaul Dither");
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static CFStringRef kMenuItem_TapeHR = CFSTR ("24 bit Tape Dither");
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static CFStringRef kMenuItem_QuadraticHR = CFSTR ("24 bit High Gloss Dither");
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static CFStringRef kMenuItem_TenNinesHR = CFSTR ("24 bit Vinyl Dither");
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static CFStringRef kMenuItem_ContingentHR = CFSTR ("24 bit Spatialize Dither");
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static CFStringRef kMenuItem_NaturalizeHR = CFSTR ("24 bit Naturalize Dither");
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static CFStringRef kMenuItem_NJADHR = CFSTR ("24 bit Not Just Another Dither");
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static CFStringRef kMenuItem_SlewOnly = CFSTR ("Slew Only Monitoring");
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static CFStringRef kMenuItem_SubsOnly = CFSTR ("Subs Only Monitoring");
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static CFStringRef kMenuItem_Silhouette = CFSTR ("Noise Silhouette Monitoring");
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enum {
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kParam_One = 0,
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//Add your parameters here...
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kNumberOfParameters=1
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};
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#pragma mark ____Ditherbox
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class Ditherbox : public AUEffectBase
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{
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public:
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Ditherbox(AudioUnit component);
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#if AU_DEBUG_DISPATCHER
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virtual ~Ditherbox () { delete mDebugDispatcher; }
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#endif
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virtual AUKernelBase * NewKernel() { return new DitherboxKernel(this); }
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virtual ComponentResult GetParameterValueStrings(AudioUnitScope inScope,
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AudioUnitParameterID inParameterID,
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CFArrayRef * outStrings);
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virtual ComponentResult GetParameterInfo(AudioUnitScope inScope,
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AudioUnitParameterID inParameterID,
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AudioUnitParameterInfo &outParameterInfo);
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virtual ComponentResult GetPropertyInfo(AudioUnitPropertyID inID,
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AudioUnitScope inScope,
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AudioUnitElement inElement,
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UInt32 & outDataSize,
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Boolean & outWritable );
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virtual ComponentResult GetProperty(AudioUnitPropertyID inID,
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AudioUnitScope inScope,
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AudioUnitElement inElement,
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void * outData);
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virtual ComponentResult Initialize();
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virtual bool SupportsTail () { return true; }
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virtual Float64 GetTailTime() {return 1.0/GetSampleRate()*1.0;}
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virtual Float64 GetLatency() {return 0.0;}
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/*! @method Version */
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virtual ComponentResult Version() { return kDitherboxVersion; }
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protected:
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class DitherboxKernel : public AUKernelBase // most of the real work happens here
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{
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public:
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DitherboxKernel(AUEffectBase *inAudioUnit )
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: AUKernelBase(inAudioUnit)
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{
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}
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// *Required* overides for the process method for this effect
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// processes one channel of interleaved samples
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virtual void Process( const Float32 *inSourceP,
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Float32 *inDestP,
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UInt32 inFramesToProcess,
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UInt32 inNumChannels,
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bool &ioSilence);
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virtual void Reset();
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private:
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double byn[13];
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double noiseShaping;
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double contingentErr;
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double currentDither;
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double NSOdd;
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double NSEven;
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double prev;
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double ns[16];
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int Position;
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bool flip;
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double lastSample;
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double outSample;
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double iirSampleA;
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double iirSampleB;
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double iirSampleC;
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double iirSampleD;
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double iirSampleE;
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double iirSampleF;
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double iirSampleG;
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double iirSampleH;
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double iirSampleI;
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double iirSampleJ;
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double iirSampleK;
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double iirSampleL;
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double iirSampleM;
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double iirSampleN;
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double iirSampleO;
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double iirSampleP;
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double iirSampleQ;
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double iirSampleR;
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double iirSampleS;
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double iirSampleT;
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double iirSampleU;
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double iirSampleV;
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double iirSampleW;
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double iirSampleX;
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double iirSampleY;
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double iirSampleZ;
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uint32_t fpd;
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};
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};
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#endif |